Question

$117 per week is proportional to $234 per 2 weeks.
The proportion is____?

Answer 1

Writing Proportions

A proportion is a comparison between two ratios.

A ratio is a proportion between two numbers.

To write a proportion, create two comparisons with two numbers and set them equal to each other.

Solving the Question

We're given:

• $117 per week
• $234 per 2 weeks
• These ratios are proportional to each other

Write two ratios:

`\frac{117\hspace{3}dollars}{1\hspace{3}week}`

`\frac{234\hspace{3}dollars}{2\hspace{3}weeks}`

Set them equal to each other:

`\frac{117\hspace{3}dollars}{1\hspace{3}week}= \frac{234\hspace{3}dollars}{2\hspace{3}weeks}`

Answer

`\frac{117\hspace{3}dollars}{1\hspace{3}week}= \frac{234\hspace{3}dollars}{2\hspace{3}weeks}`